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Finding the Fourth Proportional to 370,111.76, 555,084.56 and 170,240.16

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Solution

The fourth proportional to 370,111.76, 555,084.56 and 170,240.16 is: 255,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,111.76 : 555,084.56 = 170,240.16 : x
  2. Step 2: Convert to fraction form
    370,111.76/555,084.56 = 170,240.16/x
  3. Step 3: Cross multiply
    370,111.76x = 555,084.56 × 170,240.16
  4. Step 4: Simplify right side
    370,111.76x = 94,497,684,307.93
  5. Step 5: Solve for x
    x = 94,497,684,307.93/370,111.76
  6. Step 6: Final answer
    x = 255,322.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.